april 1971

april 1971: 276 companies

01. april 1971 10 companies

02. april 1971 14 companies

05. april 1971 10 companies

06. april 1971 11 companies

07. april 1971 12 companies

08. april 1971 20 companies

13. april 1971 8 companies

14. april 1971 8 companies

15. april 1971 15 companies

16. april 1971 23 companies

19. april 1971 14 companies

20. april 1971 8 companies

21. april 1971 8 companies

22. april 1971 9 companies

23. april 1971 12 companies

24. april 1971 1 companies

27. april 1971 16 companies

28. april 1971 18 companies

29. april 1971 24 companies

30. april 1971 35 companies